Ineed writing a thesis about haiti. can someone private message me for more details ?

where is the passage?

can't without the passage.

post the full question.

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.